Sensui, with his hatred for mankind, searches for the person who has the ability to aide him in opening the tunnel to the Demon World. Yusuke's last hope in uncovering the truth rests with Murota, who can read minds. But when Murota is attacked and in need of medical attention, Yusuke finds more at the hospital than he could have ever expected. Episode 71 - The Tunnel: A tunnel is being carved between the Living World and the Demon World that if completed would usher in such darkness and chaos that the world might never recover. In a bold move, the despicable Sensui begins his search for the person that will finally allow him to complete the tunnel.

Episode 72 - The Reader: The Spirit Detective’s best chance to uncover the truth behind the tunnel lies with the mind reader, Murota. But mere hours after entering Mushiyori City, Yusuke and team find themselves being hunted by an unseen evil. Just who are Black Angel, Gate Keeper, Sniper, Gourmet, Game Master, Doctor, and Sea Man?

Episode 73 - The Doctor's Disease: Somewhere in Mushiyori City, a psychic is forging a tunnel between the Demon and Human worlds. Yusuke has recruited Murota, a mind-reading human. But while trying to weed out the enemies by their thoughts, Murota was shot— and the criminal mastermind made his introduction. The heroes have taken Murota to the hospital, where new danger awaits.

Episode 74 - Sleep, Doctor, Sleep: Searching Mushiyori City, Yusuke’s team was quickly steered to the hospital, where a trap awaited. There they encounter the Doctor, a human with immense psychic powers, super strength, feels no pain, and has infected the entire hospital with a deadly virus. To save his friends, will Yusuke be forced to destroy the wretched creature?